NEET Biology: Microbes in Human Welfare — MCQ Test 17

Q6. Which of the following statements regarding biogas production is incorrect?

Q7. Which of the following microbes is used in the production of biogas?

Q8. Which of the following microbes is commonly used for ethanol production?

Q9. Which of the following microbes is used for the commercial production of butanol?

Q10. Which of the following is used in the clarification of fruit juices?

NEET BiologyMicrobes in Human Welfare

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Which of the following statements about sewage treatment is incorrect?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Biology preparation, focusing specifically on the chapter Microbes in Human Welfare. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Following, Statements, Treatment, Incorrect, Microbes, and Commonly.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Which of the following statements about sewage treatment is incorrect?

  • A. Primary treatment removes physical impurities.
  • B. Secondary treatment involves aerobic bacteria.
  • C. Methanogens are involved in secondary treatment.
  • D. Tertiary treatment involves chemical purification.

Q2. Which of the following microbes is commonly used in the bioremediation of oil spills?

  • A. Pseudomonas
  • B. Lactobacillus
  • C. Rhizobium
  • D. Saccharomyces

Q3. Which of the following microbes is used for the production of citric acid?

  • A. Aspergillus niger
  • B. Saccharomyces cerevisiae
  • C. Pseudomonas
  • D. Clostridium

Q4. Which of the following statements about Bt toxin is correct?

  • A. Bt toxin is produced by Bacillus thuringiensis.
  • B. Bt toxin harms all living organisms.
  • C. Bt toxin remains active inside bacterial cells.
  • D. Bt crops do not produce Bt toxin.

Q5. Which of the following is an example of a bacterium used in the biocontrol of caterpillars?

  • A. Bacillus thuringiensis
  • B. Rhizobium
  • C. Escherichia coli
  • D. Lactobacillus

+ 5 more questions in the actual test

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